Module development and code questions

Hello, I would like to have an address book/directory in which I could include companies contact details all filled under different categories. The standard yellow pages kind of thing. Would the catalog module be a good one to use for this?
thanks

Can anyone point me to a navigation/menu module/approach that would fulfill the requirements of a very common website format:

The problem I have found with drupal is that everything is thrown together. This is great for following related links but I want a much more defined approach with clearly seperated sections.

In designing my 'sports' site architecture I see 2 options:

I. Organised by sports:
Cricket
>news
>events
>articles
Football
>news
>events
>articles
Athletics
>news
>events
>articles

II. Organised by an arbitrary concept
News
Style
Equipment

I have choosen to go for option II because I want a variety of editorial styles just as my sunday newspaper comes with lots of different sections.

So my 'sports' site has the following links in the main horizontal navigation at the top of the page: News, Style and Equipment. (these sections have been set up in taxonomy). Clicking on one of these links takes the user into that section.

Once on this page the page should also have the title of the section, and a vertical navigation bar that displays content specific to this section.

The content of each section will consist of various content types (story/static pages/events/colb. book). Each content element can be assigned to a more specific taxonomy, i.e athletics, football or cricket.

If I click to expand/read content in this section the section header must remain at the top of the page.

Hi guys and thanks for your time. I've been toying around with Drupal, actually I've moved from PHP-Nuke. At anyrate, to get to the point, I'm trying to put up a literature site. Without book reviews a literature site wouldn't be the same. I have article, blog, collaborative book ect. but they all don't allow users or me the admin for that matter to upload an image to pair with the story.

I've made a few simple changes to the image.module code for my own site, and I'm curious if they'd be of interest to other people. In short, they relate to making standardized 'node display' versions of images, and specifying dimensions for resizing.

Hi all.

I write a module named "modevp" for drupal and I have this trouble. I want create colapsed menu item named "Module EVP". In Navigation menu I see only first item, but that is not able to colapsed. A write debuging function for view list end structere of the $_list global variable and i see there is no registered childe on the past of item "modevp" but all other two item is now registered. Pleas help my find were is my bug in code or how I register thet item as the childe.

Here is my source code part of module_link() hook:

I need to pass a variable from a module I'm writting into a theme's function header(), what is the best way to do this?

At the moment I'm using $GLOBALS["variable_foo"], is there a better way?